A NASA probe that had a close encounter with a strange object from another solar system has been declared dead and scientists still do not know what happened.

Nasa confirmed Wednesday that the mission, which launched in 2013, had concluded

A NASA probe that had a close encounter with a strange object from another solar system has been declared dead and scientists still do not know what happened.

"The spacecraft's basically in a configuration, in an orbit, that's very similar to what it would have been if the mission had ended nominally."

The agency's efforts to regain contact with the MAVEN spacecraft have culminated in unfortunate news.